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Introduction ................................................................................................................................ 3
Boiler Ratings, Capacities & Dimensions .......................................................................................... 4
Connecting Supply And Return Piping ............................................................................................. 5
General Information Gas Vents And Appliances ................................................................................ 8
Vent Pipe Modification .................................................................................................................. 9
Connect Gas Service ...................................................................................................................10
Electrical Wiring .........................................................................................................................12
Operating Instructions .................................................................................................................13
Sequence Of Operation................................................................................................................14
General Instruction For Seasonal Start Up And Maintenance .............................................................15
Venting Instructions ....................................................................................................................19
Condensate Drains......................................................................................................................24
Replacement Parts ......................................................................................................................32
Relief Valve Piping Supplemental Installation Instructions ................................................................40
SAFETY SYMBOLS
The following defined symbols are used throughout this
manual to notify the reader of potential hazards of varying
risk levels.
!
Indicates a hazardous situation which, if not
avoided, WILL result in death, serious injury.
!
Indicates a hazardous situation which, if not
avoided, may result in death, serious injury.
!
Indicates a hazardous situation which, if not
avoided, may result in injury.
Indicates information which should be
followed to ensure proper installation and
operation.
IMPORTANT: Read the following instructions COMPLETELY
before installing!
TABLE OF CONTENTS
DANGER
WARNING
CAUTION
NOTICE
Keep This Manual Near Boiler And
Retain For Future Reference.
Keep boiler area clear and free from
combustible materials, gasoline and other
flammable vapors and liquids.
!
Do not obstruct air openings to the boiler
room.
Modification, substitution or elimination
of factory equipped, supplied or specified
components may result in personal injury or
the loss of life.
To the installer: Leave all instructions with the boiler for
future reference.
When this product is installed in the Commonwealth of
Massachusetts the installation must be performed by a
Licensed Plumber or Licensed Gas Fitter.
To the owner: Installation and service of this boiler must
be performed by a qualified installer.
2
WARNING
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